TypeScript Programming Language

  1. Object Types and Interfaces
    1. Object Type Literals
      1. Property Types
        1. Method Types
          1. Index Signatures
          2. Interface Declarations
            1. Basic Interface Syntax
              1. Property Signatures
                1. Method Signatures
                  1. Call Signatures
                    1. Construct Signatures
                    2. Optional and Readonly Properties
                      1. Optional Property Modifier
                        1. Readonly Property Modifier
                          1. Readonly vs const
                          2. Index Signatures
                            1. String Index Signatures
                              1. Number Index Signatures
                                1. Symbol Index Signatures
                                  1. Mixed Index Signatures
                                  2. Interface Extension
                                    1. extends Keyword
                                      1. Multiple Interface Extension
                                        1. Interface Merging
                                        2. Hybrid Types
                                          1. Callable Objects
                                            1. Objects with Properties and Call Signatures

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                                          6. Functions and Callable Types

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                                          8. Classes and Object-Oriented Programming